你如城市与省份间的二级联动效果
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>demo</title>
<style type="text/css">
.pag-set-bg{100%;height:100%;overflow-x:hidden;overflow-y:auto;}
</style>
</head>
<body>
<div id="app">
<div class="inputLine">
<span>所在区域</span>
<select name="" v-model="countryName" @change="selectCountry">
<option :value="item" v-for="(item,index) in area">
{{item.country}}
<svg class="icon icon-arrow-bottom" aria-hidden="true">
<use xlink:href="#icon-arrow-bottom"></use>
</svg>
</option>
</select>
<select name="" v-model="cityName">
<option :value="item" v-for="(item,index) in countryName.city">
{{item}}
<svg class="icon icon-arrow-bottom" aria-hidden="true">
<use xlink:href="#icon-arrow-bottom"></use>
</svg>
</option>
</select>
</div>
</div>
<script type="text/javascript" src="../../js/jquery_v3.3.1.js"></script>
<script src="../../js/vue.js"></script>
<script src="../../js/vue-resource.min.js"></script>
<script>
new Vue({
el:'#app',
data:{
list:[
{
text: '这是第1条数据'
}
],
UniversityList:[],
schoolList:[],
countryName:{},
cityName:"请选择城市",
area:[
{
"country":"美国",
"city":[
"纽约",
"洛杉矶",
"旧金山",
"西雅图",
"波士顿",
"休斯顿",
"圣地亚哥",
"芝加哥",
"其它",
]
},
{
"country":"加拿大",
"city":[
"温哥华",
"多伦多",
"蒙特利尔",
"其它"
]
},
{
"country":"澳大利亚",
"city":[
"悉尼",
"墨尔本",
"其它"
]
},
{
"country":"新加坡",
"city":[
"新加坡"
]
},
],
},
methods:{
selectCountry(value){
this.cityName=this.countryName.city[0];
},
}
})
</script>
</body>
</html>
http://www.cnblogs.com/beileixinqing/p/8252153.html